F23M 5/08
Cooling thereof
Official title: Cooling thereof; Tube walls
F23M5/08 (Cooling thereof) appears on 370 US grants and 228 published applications in this corpus.
Search patents in F23M- Granted patents
- 370
- Published applications
- 228
- Assignees
- 229
- Inventors
- 769
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 7 | 0 |
| 1978 | 2 | 0 |
| 1979 | 7 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 7 | 0 |
| 1983 | 7 | 0 |
| 1984 | 7 | 0 |
| 1985 | 5 | 0 |
| 1986 | 6 | 0 |
| 1987 | 9 | 0 |
| 1988 | 9 | 0 |
| 1989 | 13 | 0 |
| 1990 | 15 | 0 |
| 1991 | 8 | 0 |
| 1992 | 8 | 0 |
| 1993 | 12 | 0 |
| 1994 | 12 | 0 |
| 1995 | 11 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 4 | 0 |
| 2000 | 9 | 0 |
| 2001 | 5 | 1 |
| 2002 | 10 | 6 |
| 2003 | 6 | 11 |
| 2004 | 6 | 5 |
| 2005 | 7 | 7 |
| 2006 | 7 | 10 |
| 2007 | 2 | 11 |
| 2008 | 3 | 6 |
| 2009 | 3 | 12 |
| 2010 | 6 | 9 |
| 2011 | 6 | 9 |
| 2012 | 7 | 10 |
| 2013 | 8 | 10 |
| 2014 | 3 | 6 |
| 2015 | 9 | 12 |
| 2016 | 1 | 12 |
| 2017 | 9 | 9 |
| 2018 | 9 | 18 |
| 2019 | 15 | 17 |
| 2020 | 17 | 13 |
| 2021 | 16 | 7 |
| 2022 | 9 | 12 |
| 2023 | 6 | 6 |
| 2024 | 9 | 3 |
| 2025 | 4 | 2 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus and method for mitigating particulate accumulation on a component of a gas turbine23 Jun 2026US 12,663,152 B2Rtx Corporation
- Apparatus and method for mitigating particulate accumulation on a component of a gas turbine26 May 2026US 12,638,178 B2Rtx Corporation
- Pulse combustion apparatus with vibration damping31 Mar 2026US 12,590,696 B2Ilgiz Amirovich Yamilev
- Combustor for a gas turbine engine9 Dec 2025US 12,492,821 B2General Electric Company
- Combustion chamber and gas apparatus14 Oct 2025US 12,442,531 B2Midea Group Co., Ltd.
- Apparatus and method for mitigating particulate accumulation on a component of a gas turbine2 Jul 2026US 2026/0185711 A1Rtx Corporation
- Combustor heat shield with multiple effusion hole sizes25 Jun 2026US 2026/0177242 A1Pratt & Whitney Canada Corp.
- Variable coolant channel heat exchanger for combustor walls18 Jun 2026US 2026/0168737 A1Rtx Corporation
- Cylindrical body4 Jun 2026US 2026/0153239 A1Mitsubishi Heavy Industries Aero Engines, Ltd.
- Cooling system and method for combustors26 Jun 2025US 2025/0207774 A1Purdue Research Foundation
Most cited
By later US patents
- Downhole steam generator with improved preheating, combustion and protection features205US 4,385,661 AThe United States of America as represented by the United States Department of Energy · 1983
- Variable heat generating method and apparatus129US 4,622,007 AAmerican Combustion, Inc. · 1986
- Low NO.sub.x multistage combustor110US 6,089,855 AThermo Power Corporation · 2000
- Low emissions combustor103US 5,123,248 AGeneral Electric Company · 1992
- Method and apparatus for extracting crude oil from previously tapped deposits96US 4,224,991 AMesserschmitt-Bolkow-Blohm GmbH · 1980